????:1?????????:????

2???????

3????????

4??????????

5???????

????11??22? (???? ????????????)22????,?????(IFF)???????21?????????????????????????“????????”????????????

?????,?????????????,??????,???????“??”????????????

“????????????”??????????,????“?????????????????”??,?????????????????????????????????????,????,??,????????

????,??,???????????????????,????“?”?????

“???????”??????????????????????,?????“?????????????”???????,????“??‘???????????????’??,??????????”

“?????????????????”???????????,“???????”????????????????????????????????,????????????,???

?????????????,“????????????????????”??????,???????????????,??????????“???????????????????”??,??????,??,??????????????????????????,???,?????,???

????,“??????”????????????,????

??????????????????????????????,“?”??????????????????????????,????????????“??????????????????”???????,?,?????????????,??????????????????????????“??”????????????????

?,???????????5???????,??,??????“???????????????????”????????????????????????????,??????????????????,?????????????,???(????) ???????????:????